~ Oregon, Mount Hood and Newberry National Volcanic Monument ~

The part of the Cascade Range in Oregon contains many active, dormant and extinct volcanos. Many of these are still being carved by the glacial remnants of the last Ice Age.

The photos here are from the time when I entered Oregon until I arrived in Klamath Falls. That is before my visit to Crater Lake National Park. Those photos are on other pages.

Oregon and Mount Hood

Glacial valley east of Portland, Oregon

Mount Hood in the mist

First clear shot of Mount Hood

Another angle
I was driving U.S. Route 26 parrallel to Mount Hood and got photos of several different views.

Crooked River Gorge from both sides of the bridge

Mount Jefferson

Cool cliff

A canyon with Mount Jefferson in the distance

Rock formations on the canyon rim

North Sister and Middle Sister of the Three Sisters

Part of the Crooked River National Grasslands

Crooked River Overlook

U.S. Route 97 bridge over Crooked River on left and the Railroad Bridge on right

Looking down from a highway bridge

The Crooked River Railroad Bridge

Crooked River Gorge

More rock formations

Might be South Sister

Or it could be Mount Bachelor

The Elk sculpture was in front of a Casino somewhere along U.S. 97

Newberry National Volcanic Monument

About 7,000 years ago, a dozen or so lava flows and cinder cones erupted from fissures on the flanks of Newberry Volcano. An excellent example is Lava Butte, a 500-foot-high cinder cone south of Bend along Highway 97. A road spirals to the top providing a grand vista of volcanic country. Here, gas-charged molten rock sprayed volcanic foam (cinders) into the air. These fell back into a pile to form Lava Butte. As the eruption proceded, the amount of gas (mostly water vapor) contained in the molten rock decreased and lava poured out the south side of Lava Butte and flowed 6 miles downhill. The lava spilled into the nearby Deschutes River forming lava dams in some places and shoving the river westward out of its channel into others changing the course of the river.

Newberry volcano is a broad shield volcano located in central Oregon. It has been built by thousands of eruptions, beginning about 600,000 years ago. At least 25 vents on the flanks and summit have been active during several eruptive episodes of the past 10,000 years. The most recent eruption 1,300 years ago produced the Big Obsidian Flow. Thus, the volcano's long history along with recent activity indicate that Newberry will erupt sometime in the future.

The awesome lava lands of Oregon were the training and testing grounds for the astronauts and their equipment in 1964 and 1966. Training and experience gained on these lava fields developed skills for the lunar explorers to make their first walk over the fact of the moon.

On the right is the cinder dome, which dominates the landscape

Lava rock

Some green means it's alive. Sort of.

Lava boulder

Rough ground

On the left is Mount Bachelor as a back drop for Lava Lands and the trail path. Right is an opening in a lava tube.
Great floods of lava gushed out of the breach on the south side of Lava Butte. During the final stages of the eruption, only a trickle of lava flowed down a small channel. A surface tube was formed when the lava ccooled and crusted over. The interior remained molten, allowing lava to surge and spurt through many times. Over time the tube has collapsed in places where the roof was thin.

Left is dead wood with Tumalo Mountain and South Sister in the background. Right is the trail with the cinder dome in the background.

Lunar landing training ground

Huge lava boulder

The photo on the left is a part of the trail. On the right shows a part of a collapsed lava tube

Lava killed tree

Lava gutter (see below)

Another section of a collapsed lava tube

Cinder dome again

Lava fortress

Lava gutter
As molten lava poured out of the breach at the base of Lava Butte, it formed definite channels. When the lava quit flowing, if left gutters like the one in the right photo. The jumbled rock and lava balls along the bank of the gutter indicate the depth of the lava flows.
With each emormous pulse of spurting lava the gutters would fill and overflow. Each overflow added a new layer to the sides of the gutters increasing their height. These layers can be seen in the right photo.
Three main gutters carried lave flows which buried ten square miles of pine forests and blocked the Deschutes River at five places. Lava levees gradually dammed two of the gutters as the volume of lava decreased. The trail I was walking followed the path of one of these gutters.

A huge lava formation on left and a photo showing the trail. Cheating on the trail would probably result in a broken ankle.

Looking down a gutter

This is as close as I got to the cinder dome. There is a road up to the top, but recreational vehicles are prohibited from using it. (I guess they didn't see some of the roads I've driven) Lava Lands was a surprise to me and I had not intended to visit it. However, when I see a sign that may be of interest, I usually take a detour. I arrived late in the afternoon and stayed until closing of the park. The rain you can see in some of the distant shots arrived as I got into Arvie.

Music is "Long Way Around"

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